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Diffstat (limited to 'nixos/lib/make-system-tarball.nix')
-rw-r--r-- | nixos/lib/make-system-tarball.nix | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/nixos/lib/make-system-tarball.nix b/nixos/lib/make-system-tarball.nix new file mode 100644 index 00000000000..dab168f4a48 --- /dev/null +++ b/nixos/lib/make-system-tarball.nix @@ -0,0 +1,56 @@ +{ stdenv, closureInfo, pixz + +, # The file name of the resulting tarball + fileName ? "nixos-system-${stdenv.hostPlatform.system}" + +, # The files and directories to be placed in the tarball. + # This is a list of attribute sets {source, target} where `source' + # is the file system object (regular file or directory) to be + # grafted in the file system at path `target'. + contents + +, # In addition to `contents', the closure of the store paths listed + # in `packages' are also placed in the Nix store of the tarball. This is + # a list of attribute sets {object, symlink} where `object' if a + # store path whose closure will be copied, and `symlink' is a + # symlink to `object' that will be added to the tarball. + storeContents ? [] + + # Extra commands to be executed before archiving files +, extraCommands ? "" + + # Extra tar arguments +, extraArgs ? "" + # Command used for compression +, compressCommand ? "pixz" + # Extension for the compressed tarball +, compressionExtension ? ".xz" + # extra inputs, like the compressor to use +, extraInputs ? [ pixz ] +}: + +let + symlinks = map (x: x.symlink) storeContents; + objects = map (x: x.object) storeContents; +in + +stdenv.mkDerivation { + name = "tarball"; + builder = ./make-system-tarball.sh; + nativeBuildInputs = extraInputs; + + inherit fileName extraArgs extraCommands compressCommand; + + # !!! should use XML. + sources = map (x: x.source) contents; + targets = map (x: x.target) contents; + + # !!! should use XML. + inherit symlinks objects; + + closureInfo = closureInfo { + rootPaths = objects; + }; + + extension = compressionExtension; +} |